How old do you have to be in the USA before you can legally change your first name?

Question

How old do you have to be in the USA before you can legally change your first name?

Answer 1

I would guess (and its only a guess) that in most states you can do it at any age with your parents consent and at 18 regardless of consent.

Call the county clerk's office in your county and ask them.

Answer 2

I think its 18

Answer 3

I would think its 21.